Here's a book (2008) that gives the Sanskrit original and English and Hindi translations of Pingala's Chandah Sutra, where binary numbers are first described.
A landmark in the history of mathematics.
I also attach copy of the Foreword to the book. pic.twitter.com/hPew7yXNYG
— Subhash Kak (@subhashkak1) June 18, 2019